Cherchons
С
:
.
C)
On considère trois triangles rectangles ayant un angle de 35...
![subject](/tpl/images/cats/mat.png)
Mathematics, 19.02.2021 16:50 jason9394
Cherchons
С
:
.
C)
On considère trois triangles rectangles ayant un angle de 35°
1. À l'aide d'une calculatrice, donner
la valeur approchée des quotients
6,77
suivants.
AC BD SE CG HD TE CG
a)
El DH
-; b)
AG'BH' SI AG BH SE CA' ES' DB
Que constate-t-on ?
2. À l'aide d'une calculatrice donner
une valeur approchée de cos 35º;
sin 35° et tan 35° (appelés cosinus,
sinus et tangente d'un angle de 35°).
4,74
8,264
G
13
1
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